Component Communication

Choose stable decorator APIs or adopt signal inputs with their v18 preview status understood.

  1. ContentChild and ContentChildren

    Query projected content and understand content initialization timing.

  2. Inputs and Outputs

    Understand how Angular components communicate by passing data from parent to child through inputs and sending events from child to parent through outputs.

  3. Project and Query Content

    Build flexible containers and access child elements only when necessary.

  4. ViewChild and ViewChildren

    Query child views and interact with templates, directives, and components.